Tortilla Pizza

Bahan-bahan (4 porsi)

• 8 large flour tortillas
• 5 cups shredded mozzarella cheese (divided)
• 2 tablespoons olive oil
• 1 cup pizza sauce
• ¼ cup shredded Parmesan cheese
• 1 teaspoon dried oregano (or basil)
• toppings (as desired)